Display screen or portion thereof with graphical user interface



The FIGURE is a front view of a display screen or portion thereof with graphical user interface showing our new design.

The dot-dash broken line showing a display screens or portion thereof, and the other broken lines showing elements of the graphical user interface illustrate portions of the article, none of which form part the claimed design. 

CLAIM The ornamental design for a display screen or a portion thereof with graphical user interface, as shown and described. 